Guide B essentials – air conditioning and refrigeration

CIBSE’s seminal guide to HVAC systems has had a major revision. Guide B covers best practice for heating, ventilating, air conditioning and refrigeration, and noise, and features a new online chapter that will be continually updated. Guy Hundy highlights the main changes in the air conditioning and refrigeration section

Packard Foundation HQ: net zero energy CIBSE award winner

The team behind the Packard Foundation HQ, which won the international project of the year accolade at CIBSE’s awards, set out to encourage others in the US by creating a net zero energy building. Andy Pearson explains how they did it

Using weather data to make buildings climate proof

Climate change means CIBSE’s updated weather files are imperative for building energy and overheating risk analysis. Liza Young explains the new data sets and finds out whether the methodology for applying them is up to the task

On a mission: using data to optimise heat networks

Gareth Jones and Casey Cole are using big data to expose the real performance of domestic heat networks. Alex Smith finds out how their disrupter technology could see the industry adopting a Passivhaus-style target approach

Fitness fanatics – Arboreal Architecture’s Clapham retrofit

Arboreal Architecture was awarded Residential Project of the Year at the CIBSE Awards for its forensic approach to a domestic retrofit in Clapham. Andy Pearson looks at how a deep understanding of building physics enabled the design team to maximise performance

Brains storm – Digital Catapult’s Hackathon

To mark the launch of a database containing information from the Building Performance Evaluation programme, digital, construction and property experts teamed up to discuss how they could use data to close the performance gap. Alex Smith finds out who stood out from the IT crowd at Hackathon

Savings bank – cooling at the Bank of England

A new cooling system has reduced the Bank of England’s carbon emissions by 717 tonnes of carbon dioxide equivalent per year, saving it £150,000 on its annual energy bill. Liza Young finds out how it was achieved

Fan European – what the ErP means for ventilation

All new residential and non-residential ventilation units are now subject to the requirements of the Ecodesign Directive. Chris Jones, of Fläkt Woods, considers the implications of the new legislation on products designed for the non-residential sector

Max Fordham takes on Britain’s biggest Passivhaus

Camden’s Agar Grove estate is to become the UK’s biggest residential Passivhaus project. Max Fordham’s Bertie Dixon describes the challenges of building an 18-storey tower to the standard, and explains why the council is committed to the low energy code